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Commit 01fa86a0 authored by Ezio Melotti's avatar Ezio Melotti
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Fix markup, punctuation and whitespaces in _winreg.rst.

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Doc/library/_winreg.rst
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......@@ -20,7 +20,7 @@ handles are closed correctly, even if the programmer neglects to explicitly
close them.
This module exposes a very low-level interface to the Windows registry; it is
expected that in the future a new ``winreg`` module will be created offering a
expected that in the future a new ``winreg`` module will be created offering a
higher-level interface to the registry API.
This module offers the following functions:
......@@ -38,39 +38,41 @@ This module offers the following functions:
.. function:: ConnectRegistry(computer_name, key)
Establishes a connection to a predefined registry handle on another computer,
and returns a :dfn:`handle object`
Establishes a connection to a predefined registry handle on another computer,
and returns a :ref:`handle object <handle-object>`.
*computer_name* is the name of the remote computer, of the form
*computer_name* is the name of the remote computer, of the form
``r"\\computername"``. If ``None``, the local computer is used.
*key* is the predefined handle to connect to.
The return value is the handle of the opened key. If the function fails, a
:exc:`WindowsError` exception is raised.
:exc:`WindowsError` exception is raised.
.. function:: CreateKey(key, sub_key)
Creates or opens the specified key, returning a :dfn:`handle object`
Creates or opens the specified key, returning a
:ref:`handle object <handle-object>`.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
*sub_key* is a string that names the key this method opens or creates.
*sub_key* is a string that names the key this method opens or creates.
If *key* is one of the predefined keys, *sub_key* may be ``None``. In that
case, the handle returned is the same key handle passed in to the function.
If *key* is one of the predefined keys, *sub_key* may be ``None``. In that
case, the handle returned is the same key handle passed in to the function.
If the key already exists, this function opens the existing key.
The return value is the handle of the opened key. If the function fails, a
:exc:`WindowsError` exception is raised.
:exc:`WindowsError` exception is raised.
.. function:: CreateKeyEx(key, sub_key[, res=0[, sam=KEY_ALL_ACCESS]])
.. function:: CreateKeyEx(key, sub_key, res=0, sam=KEY_ALL_ACCESS)
Creates or opens the specified key, returning a :dfn:`handle object`
Creates or opens the specified key, returning a
:ref:`handle object <handle-object>`.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
......@@ -82,8 +84,8 @@ This module offers the following functions:
*sam* is an integer that specifies an access mask that describes the desired
security access for the key. Default is :const:`KEY_ALL_ACCESS`
If *key* is one of the predefined keys, *sub_key* may be ``None``. In that
case, the handle returned is the same key handle passed in to the function.
If *key* is one of the predefined keys, *sub_key* may be ``None``. In that
case, the handle returned is the same key handle passed in to the function.
If the key already exists, this function opens the existing key.
......@@ -106,10 +108,10 @@ This module offers the following functions:
*This method can not delete keys with subkeys.*
If the method succeeds, the entire key, including all of its values, is removed.
If the method fails, a :exc:`WindowsError` exception is raised.
If the method fails, a :exc:`WindowsError` exception is raised.
.. function:: DeleteKeyEx(key, sub_key[, sam=KEY_WOW64_64KEY[, res=0]])
.. function:: DeleteKeyEx(key, sub_key, sam=KEY_WOW64_64KEY, res=0)
Deletes the specified key.
......@@ -144,7 +146,7 @@ This module offers the following functions:
Removes a named value from a registry key.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
*value* is a string that identifies the value to remove.
......@@ -154,13 +156,13 @@ This module offers the following functions:
Enumerates subkeys of an open registry key, returning a string.
*key* is an already open key, or any one of the predefined :const:`HKEY_\*`
*key* is an already open key, or any one of the predefined :const:`HKEY_\*`
constants.
*index* is an integer that identifies the index of the key to retrieve.
*index* is an integer that identifies the index of the key to retrieve.
The function retrieves the name of one subkey each time it is called. It is
typically called repeatedly until a :exc:`WindowsError` exception is
The function retrieves the name of one subkey each time it is called. It is
typically called repeatedly until a :exc:`WindowsError` exception is
raised, indicating, no more values are available.
......@@ -168,14 +170,14 @@ This module offers the following functions:
Enumerates values of an open registry key, returning a tuple.
*key* is an already open key, or any one of the predefined :const:`HKEY_\*`
*key* is an already open key, or any one of the predefined :const:`HKEY_\*`
constants.
*index* is an integer that identifies the index of the value to retrieve.
*index* is an integer that identifies the index of the value to retrieve.
The function retrieves the name of one subkey each time it is called. It is
typically called repeatedly, until a :exc:`WindowsError` exception is
raised, indicating no more values.
The function retrieves the name of one subkey each time it is called. It is
typically called repeatedly, until a :exc:`WindowsError` exception is
raised, indicating no more values.
The result is a tuple of 3 items:
......@@ -207,25 +209,25 @@ This module offers the following functions:
Writes all the attributes of a key to the registry.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
It is not necessary to call :func:`FlushKey` to change a key. Registry changes are
flushed to disk by the registry using its lazy flusher. Registry changes are
also flushed to disk at system shutdown. Unlike :func:`CloseKey`, the
:func:`FlushKey` method returns only when all the data has been written to the
flushed to disk by the registry using its lazy flusher. Registry changes are
also flushed to disk at system shutdown. Unlike :func:`CloseKey`, the
:func:`FlushKey` method returns only when all the data has been written to the
registry. An application should only call :func:`FlushKey` if it requires
absolute certainty that registry changes are on disk.
absolute certainty that registry changes are on disk.
.. note::
If you don't know whether a :func:`FlushKey` call is required, it probably
If you don't know whether a :func:`FlushKey` call is required, it probably
isn't.
.. function:: LoadKey(key, sub_key, file_name)
Creates a subkey under the specified key and stores registration information
Creates a subkey under the specified key and stores registration information
from a specified file into that subkey.
*key* is an already open key, or any of the predefined :const:`HKEY_\*`
......@@ -239,18 +241,18 @@ This module offers the following functions:
A call to LoadKey() fails if the calling process does not have the
:const:`SE_RESTORE_PRIVILEGE` privilege. Note that privileges are different than
permissions - see the Win32 documentation for more details.
permissions -- see the Win32 documentation for more details.
If *key* is a handle returned by :func:`ConnectRegistry`, then the path
specified in *fileName* is relative to the remote computer.
If *key* is a handle returned by :func:`ConnectRegistry`, then the path
specified in *fileName* is relative to the remote computer.
The Win32 documentation implies *key* must be in the :const:`HKEY_USER` or
The Win32 documentation implies *key* must be in the :const:`HKEY_USER` or
:const:`HKEY_LOCAL_MACHINE` tree. This may or may not be true.
.. function:: OpenKey(key, sub_key[, res=0][, sam=KEY_READ])
.. function:: OpenKey(key, sub_key, res=0, sam=KEY_READ)
Opens the specified key, returning a :dfn:`handle object`
Opens the specified key, returning a :ref:`handle object <handle-object>`.
*key* is an already open key, or any one of the predefined :const:`HKEY_\*`
constants.
......@@ -259,7 +261,7 @@ This module offers the following functions:
*res* is a reserved integer, and must be zero. The default is zero.
*sam* is an integer that specifies an access mask that describes the desired
*sam* is an integer that specifies an access mask that describes the desired
security access for the key. Default is :const:`KEY_READ`
The result is a new handle to the specified key.
......@@ -269,15 +271,15 @@ This module offers the following functions:
.. function:: OpenKeyEx()
The functionality of :func:`OpenKeyEx` is provided via :func:`OpenKey`, by the
use of default arguments.
The functionality of :func:`OpenKeyEx` is provided via :func:`OpenKey`,
by the use of default arguments.
.. function:: QueryInfoKey(key)
Returns information about a key, as a tuple.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
The result is a tuple of 3 items:
......@@ -299,14 +301,14 @@ This module offers the following functions:
.. function:: QueryValue(key, sub_key)
Retrieves the unnamed value for a key, as a string
Retrieves the unnamed value for a key, as a string.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
*sub_key* is a string that holds the name of the subkey with which the value is
associated. If this parameter is ``None`` or empty, the function retrieves the
value set by the :func:`SetValue` method for the key identified by *key*.
*sub_key* is a string that holds the name of the subkey with which the value is
associated. If this parameter is ``None`` or empty, the function retrieves the
value set by the :func:`SetValue` method for the key identified by *key*.
Values in the registry have name, type, and data components. This method
retrieves the data for a key's first value that has a NULL name. But the
......@@ -316,10 +318,10 @@ This module offers the following functions:
.. function:: QueryValueEx(key, value_name)
Retrieves the type and data for a specified value name associated with an open
registry key.
Retrieves the type and data for a specified value name associated with
an open registry key.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
*value_name* is a string indicating the value to query.
......@@ -340,18 +342,18 @@ This module offers the following functions:
Saves the specified key, and all its subkeys to the specified file.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
*file_name* is the name of the file to save registry data to. This file cannot
already exist. If this filename includes an extension, it cannot be used on file
allocation table (FAT) file systems by the :meth:`LoadKey`, :meth:`ReplaceKey`
or :meth:`RestoreKey` methods.
or :meth:`RestoreKey` methods.
If *key* represents a key on a remote computer, the path described by
If *key* represents a key on a remote computer, the path described by
*file_name* is relative to the remote computer. The caller of this method must
possess the :const:`SeBackupPrivilege` security privilege. Note that
privileges are different than permissions - see the Win32 documentation for
possess the :const:`SeBackupPrivilege` security privilege. Note that
privileges are different than permissions -- see the Win32 documentation for
more details.
This function passes NULL for *security_attributes* to the API.
......@@ -361,10 +363,10 @@ This module offers the following functions:
Associates a value with a specified key.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
*sub_key* is a string that names the subkey with which the value is associated.
*sub_key* is a string that names the subkey with which the value is associated.
*type* is an integer that specifies the type of the data. Currently this must be
:const:`REG_SZ`, meaning only strings are supported. Use the :func:`SetValueEx`
......@@ -379,7 +381,7 @@ This module offers the following functions:
bytes) should be stored as files with the filenames stored in the configuration
registry. This helps the registry perform efficiently.
The key identified by the *key* parameter must have been opened with
The key identified by the *key* parameter must have been opened with
:const:`KEY_SET_VALUE` access.
......@@ -387,13 +389,13 @@ This module offers the following functions:
Stores data in the value field of an open registry key.
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
*key* is an already open key, or one of the predefined :const:`HKEY_\*`
constants.
*value_name* is a string that names the subkey with which the value is
*value_name* is a string that names the subkey with which the value is
associated.
*type* is an integer that specifies the type of the data. This should be one
*type* is an integer that specifies the type of the data. This should be one
of the following constants defined in this module:
+----------------------------------+---------------------------------------------+
......@@ -415,7 +417,7 @@ This module offers the following functions:
+----------------------------------+---------------------------------------------+
| :const:`REG_MULTI_SZ` | A sequence of null-terminated strings, |
| | terminated by two null characters. (Python |
| | handles this termination automatically.) |
| | handles this termination automatically.) |
+----------------------------------+---------------------------------------------+
| :const:`REG_NONE` | No defined value type. |
+----------------------------------+---------------------------------------------+
......@@ -424,7 +426,7 @@ This module offers the following functions:
| :const:`REG_SZ` | A null-terminated string. |
+----------------------------------+---------------------------------------------+
*reserved* can be anything - zero is always passed to the API.
*reserved* can be anything -- zero is always passed to the API.
*value* is a string that specifies the new value.
......@@ -432,7 +434,7 @@ This module offers the following functions:
key. The key identified by the key parameter must have been opened with
:const:`KEY_SET_VALUE` access.
To open the key, use the :func:`CreateKey` or :func:`OpenKey` methods.
To open the key, use the :func:`CreateKey` or :func:`OpenKey` methods.
Value lengths are limited by available memory. Long values (more than 2048
bytes) should be stored as files with the filenames stored in the configuration
......@@ -488,14 +490,14 @@ Registry Handle Objects
This object wraps a Windows HKEY object, automatically closing it when the
object is destroyed. To guarantee cleanup, you can call either the
:meth:`Close` method on the object, or the :func:`CloseKey` function.
:meth:`Close` method on the object, or the :func:`CloseKey` function.
All registry functions in this module return one of these objects.
All registry functions in this module which accept a handle object also accept
an integer, however, use of the handle object is encouraged.
All registry functions in this module which accept a handle object also accept
an integer, however, use of the handle object is encouraged.
Handle objects provide semantics for :meth:`__nonzero__` - thus ::
Handle objects provide semantics for :meth:`__nonzero__` -- thus::
if handle:
print "Yes"
......@@ -508,7 +510,7 @@ true if they both reference the same underlying Windows handle value.
Handle objects can be converted to an integer (e.g., using the built-in
:func:`int` function), in which case the underlying Windows handle value is
returned. You can also use the :meth:`Detach` method to return the integer
returned. You can also use the :meth:`Detach` method to return the integer
handle, and also disconnect the Windows handle from the handle object.
......@@ -528,8 +530,8 @@ handle, and also disconnect the Windows handle from the handle object.
will return zero.
After calling this function, the handle is effectively invalidated, but the
handle is not closed. You would call this function when you need the
underlying Win32 handle to exist beyond the lifetime of the handle object.
handle is not closed. You would call this function when you need the
underlying Win32 handle to exist beyond the lifetime of the handle object.
.. method:: PyHKEY.__enter__()
PyHKEY.__exit__(\*exc_info)
......
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